INFERNO -20F/-29C

Details

For expeditions where the choice of gear may be the difference between summit success or air lift rescue, this premier subzero bag is go-to. Thermal down sleeping bag is constructed with 850 fill goose down, and designed for suitable use in temperatures down to -20«F. When conditions are as extreme as 20 below, your bag can not get wet. Waterproof Pertex® Endurance™ shell provides essential protection for critical conditions to keep you dry in cold, wet conditions.

Features Include

20D Pertex® Endurance™ shell

Side-block chevron baffles

Vaulted footbox

Winter heat trap with center draw

Expedition fit

Compression stuffsack doubles as a summit pack

Tip: Get a bag 15-20 degrees cooler than what you are using it for if you are a cold sleeper

*Gift box not available for this item

Product Specifications

Style:

AZHT

Weight:

reg: 3 lbs 6 oz (1531 g) / long: 3 lbs 10 oz (1644 g)

Temperature Rating:

-20°F

Stuffsack Size:

21" x 11" (53 cm x 28 cm)

Regular Internal Length:

78" (198 cm)

Regular Max User Height:

6' (183 cm)

Regular Shoulder Circumference:

64" (163 cm)

Regular Foot Circumference:

44" (112 cm)

Long Internal Length:

84" (213 cm)

Long Max User Height:

6'7" (201 cm)

Long Shoulder Circumference:

66" (168 cm)

Long Foot Circumference:

44" (112 cm)

Source:

Imported

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Technology

Using only the highest quality goose down in all of our products, The North Face® tests each lot of down at three stages of production for loftiness, moisture resistance and ability to regain loft after compression.

The fill power of goose down is an indicator of two important features: warmth-to-weight ratio and compressibility, both critical to retain warmth and furnish comfort. True fill power is measured by placing one ounce of goose down in a graduated cylinder and measuring the volume the down occupies in cubic inches. The North Face® products are insulated with exclusive, high-fill power goose down ranging from 550 to 900 fill, which represents the highest quality down commercially available.